Electric regulator



W. A. TURBAYNE.

ELECTRIC REGULATOR.

APPLICATION FILED OCT. 10. 1919.

Patel med Nov. 1, 1921.

INVENTOR. William 1 Turkey 8e.

1 w MM ATTORNEY.

UNITED STATES PATENT OFFICE.

WILLIAM A. TURBAYNE, or NIAGARA rALLs, NEw'YoR-x, As'sIGNoR To U. s. LIGHT & HEAT CORPOR TION, or NIAGARA FALLS, NEW YORK, A CORPORATION OF NEW YORK.

ELECTRIC REGULATOR.

Specification of Letters Patent.

Patented Nov. 1, 1921.

Application filed October 10, 1919. Serial NO. 329,848.

To all whom it may concern:

Be it known that I, WILLIAM A. TUR- BAYNE, a citizen of the United States, residing at Niagara Falls, in the county of Niagara and State of New York, have 'invented new and useful Improvements in Electric Regulators, of which the. following is a specification.

The present invention relates to electric regulators.

More particularly the present invention relates to the type of regulators which are designed to cover a relatively large range of regulation.

In such regulators difficulty has been encountered in making the regulator sensitive sihl pile 7 he end portions 7 and 11 are to small changes and delicate in its regulation.

An object of the present invention is to provide an electric regulator which will have a wide range and which will be accurate and delicate in its regulation.

A further object is to provide an electric regulator having the above mentioned qualities, which is cheap to manufacture, sturdy in construction and reliable in service.

Referring to the drawings- Figure 1 represents a plan view of one embodiment of the present invention, some of the parts being broken away.

Fig. 2 is a view in side elevation.

A pair of magnetizable cores are represented by the numerals 1, 1. Said cores may be arranged in parallel relation and may be provided with operating solenoids 2, 2. Cooperating withadjacent ends of the cores 1, 1 is an armature 3 which is mounted upon a lever 4 pivoted at the point 5. Said armature may be biased by a pair of springs 6, 6 to a position slightly removed from the adjacent ends of the cores 1, 1. The lever 4 is provided with a finger 7 at the end opposite the springs 6, 6, said finger 7 being in abutting relation with one end of a compressible pile 7 Cooperating with the right hand; ends of the cores 1, 1 is an armature 8 which may be wedged-shaped in formation to correspond with the beveled ends of the cores 1, 1. Said armature 8 may be mounted upon lever 9, pivoted at the point 10. Said lever 9 is provided with an end portion 11 adapted to abut against one 'end of the compresis desired to control.

adapted to have cumulative action, changmg the pressure of the compressible pile 7 Lever 9 may be acted upon'by spring 12 which is mounted to oppose the attractive efiects of the cores 1,, 1, whereby said spring 12 Wlll bias lever 9 to compress the pile 7 A dash-pot 13 is provided having one of its elements connected to the lever 9, whereby to damp the movement of said lever and thereby damp the operation of the armature 8. Lever 4; and armature 3 which cooperate wlth the left hand ends of the cores 1, 1, should be undamped, whereby to be in- .stantly responsive to changes in the attrac tive effect of the cores 1, 1, which attractive effect will be responsive to the magnetizing effect of the solenoids 2, 2.

A mode of operation of the above described embodiment of the present invention will be substantially as follows; The solenoids 2, 2will be connected to the electrlc circuit, to the functions of which it is desired that the compressible pile 7 shall respond. When less than a predetermined magnetizing current is flowing in the solenoids 2, 2, the armatures 3 and 8 will both be held away from the cores 1, 1, whereby the reluctance of the magnetizing circuit comprising cores 1, 1 and armatures 3 and 8 will be a maximum. At this time there will-be maximum pressure upon the compressible pile 7 and the resistance thereof will be a minimum. When a relatively large magnetizing effect of the solenoids 2, 2 is had, the armature 8 will be attracted and being damped by the dash-pot 13, will move steadily to a position whereby pressure make such small changes in the resistance of the compressible pile 7 that may be necessary to bring about a state of equilibrium. In service the compresssible pile 7 will be so connected in circuit that changes in the resistance thereof will cause a response inthe electrical circuit, the function of which it Relatively large changes will be accomplished by movement of armature 8 and lever 9, while the finer adjustment will be made by a quick-acting armature 3 and lever 4.

In the construction illustr ted and, do

scribed, means is provided which is adapted to regulate for minute changes in electrical functions, and additional means is provided which will automatically readjust the point at which the first means operates when said functions vary over a wide range. In other words, a means is provided which will give comparatively accurate regulation over a wide range of variations and a second means is associated therewith analogous to the vernier attachment of a measuring instrument whereby minute regulation is secured for every position of the first means. A sensitive and minute regulation is thus secured over a wide range without the use of any complicated structure.

One embodiment of the present invention has been described in detail. Many modifications will occur to those skilled in the art. It is intended in this patent to cover all such modifications that come within the scope of the present invention as defined by the appended claims.

What I claim as new and desire to secure by Letters Patent of the United States, isg 2. In an electric regulator, a pair of mag-.

netizable cores, a pair of armatures adapted to bridge the opposite ends of said cores, a compressible pile and means operated by each of said armatures for exerting pressure on said pile, one of said means being damped and the other undamped. a

3. In an electric regulator, a compressible pile, operating means therefor located at 0pposite ends thereof, common electromagnetic means for controlling said operating means,

one of said operating means being damped while the other is undamped. v

4. In an electric regulator, a compressible pile, operating means therefor located at opposite ends thereof, common electromagnetic means for controlling said operating means and dash-pot means for damping one of said operating means, the other of said operating means being undamped.

5. In combination, a compressible pile,.an electro-magnet for controlling said pile and operating means for communicating to said pile both large changes and fine gradations in the magnetization of said electromagnet, said operating means includinga damped armature operated member and an undamped armature operated member forexerting pressure on said pile.

6. In combination, an electro-magnet, a compressible pile, a pair of pile operating members controlled by said electromagnet, one of said members being undamped, the other of said members being provided with means to delay the action thereof.

7, In combination, a compressible pile, a

pair of magnetizable cores arranged in par allel relation to said pile, a pair of armatures adapted to bridge the ends of said cores, said armatures being in a position to be attracted toward the end faces of said cores, said cores being arranged horizontally whereby said armatures will notice readily responsive to sudden jolts in. a vertical direction, one of said armatures being damped, the other being undamped, both of said armatures being provided with means for compressing said.

ile. p 8. In a regulator, in combination, a compressible pile, a magnetic circuit, said circuit having a quick acting member having means for operating said'pi'le, and adamped member having meansfor operating said pile.

In witness whereof, I have hereunto subscribed my' name.

WILLIAM A. TURBAYNE. 

